CN102576618A - Microswitch - Google Patents
Microswitch Download PDFInfo
- Publication number
- CN102576618A CN102576618A CN2010800430245A CN201080043024A CN102576618A CN 102576618 A CN102576618 A CN 102576618A CN 2010800430245 A CN2010800430245 A CN 2010800430245A CN 201080043024 A CN201080043024 A CN 201080043024A CN 102576618 A CN102576618 A CN 102576618A
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- China
- Prior art keywords
- rod unit
- plunger
- length direction
- enhancing
- enhancing portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/04—Levers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
- H01H13/186—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
Abstract
Provided is a microswitch wherein the versatility of a lever member can be prevented from being reduced while the rigidity of the lever member is improved. The microswitch (1) is provided with a housing (3) containing a switch mechanism (2), a plunger (4) which transmits power to the switch mechanism (2), and a lever member (5), the base end of which is supported by the housing (3). In the microswitch (1), the tip end of the plunger (4) abuts with the bottom surface (5c) of the lever member (5) at an intermediate position in the longitudinal direction of the lever member (5), and an object to be detected can abut with the top surface (5d) of the lever member (5) on the tip end side of the lever member (5). Further, a first reinforcement portion (5f) is formed on the top surface (5d) of the lever member (5), excluding an object abutment portion (17) with which the object to be detected is to be abutted, and a second reinforcement portion (5e) is formed on the bottom surface (5c) of the lever member (5), excluding a plunger abutment portion (16) with which the tip end of the plunger (4) is to be abutted.
Description
Technical field
The present invention relates to be used for the sensitive switch that the detected material to regulation detects.
Background technology
As the sensitive switch that is used for the detected material of stipulating is detected, there is for example sensitive switch 101 shown in Figure 5 in the past.This sensitive switch 101 possesses framework 107, plunger 108 and rod unit 109; Fixed contact 102,103, travelling contact 104 and flat spring 105,106 are housed in the framework 107; Plunger 108 is to flat spring 105 transferring power, and an overhang bracket of rod unit 109 is on framework 107.Rod unit 109 is as shown in Figure 6, is through metal flat-shaped part being bent into the flat spring that L font roughly forms.
When using sensitive switch 101; In case the right-hand member side upper surface butt of the rod unit 109 among detected material (omitting diagram) and Fig. 5; And rod unit 109 is that fulcrum rotates to the clockwise direction of Fig. 5 with the one of which end, and rod unit 109 will push plunger 108 downwards.In case plunger 108 is urged downwardly, flat spring 105,106 will be out of shape, and makes the travelling contact that contacted with fixed contact 102 104 break away from fixed contacts 102 and contacts with fixed contact 103.And contact with fixed contact 103 through travelling contact 104, detected material is just detected by sensitive switch 101.
Also have a kind of sensitive switch that possesses high rigid rod parts in the past, this high rigid rod parts have formed the crooked enhancing structure (for example with reference to patent documentation 1) of reply rod unit.The sensitive switch of patent documentation 1 record is enhancing flange or the enhancing rib that on rod unit, has formed conduct enhancing structure along the length direction of bar.Or this sensitive switch has formed on rod unit as the enhancing beam that strengthens structure along the length direction of rod unit.Specifically be on the opposite face of the face with supplying the plunger butt of bar, to form and strengthen structure.And on this sensitive switch, the roller of confession detected material butt is housed at the leading section of rod unit.
The prior art document
Patent documentation
Patent documentation 1: Japanese application for a patent for invention spy opens flat 9-161609 communique
Summary of the invention
Invent technical problem to be solved
As stated, the sensitive switch of patent documentation 1 record has formed the enhancing structure on rod unit, therefore can improve the rigidity of rod unit and prevent the misoperation of sensitive switch.Equally, if on rod unit shown in Figure 6 109, form to strengthen structure, then also can improve the rigidity of rod unit 109 and prevent the misoperation of sensitive switch 101.
Yet, when adopting sensitive switch 101, detected material directly with rod unit 109 on opposite face (upper surface among Fig. 5) butt of face of confession plunger 108 butts.Therefore, if the enhancing structure that on the rod unit that intactly is formed on patent documentation 1 record on the rod unit 109, forms, then when adopting sensitive switch 101, detected material might with strengthen the structure butt.Therefore, for sensitive switch 101, when detecting detected materials with sensitive switch 101, may be because of strengthening structure the relative distance between sensitive switch 101 and detected material changed having formed on the bar 109 to strengthen structure or form.Therefore, when on rod unit 109, intactly forming the enhancing structure of patent documentation 1 record, need the allocation position of change sensitive switch 101.In addition, in case on rod unit 109, intactly form the enhancing structure of patent documentation 1 record,, can increase the overall dimension of sensitive switch 101 then for sensitive switch 101.Like this, on sensitive switch 101,, just possibly reduce the versatility of sensitive switch 101 in case on rod unit 109, intactly form the enhancing structure of patent documentation 1 record.
For this reason, the object of the present invention is to provide a kind of sensitive switch, can improve the rigidity of rod unit, can prevent that again versatility from reducing.
The technical scheme that the technical solution problem is adopted
To achieve these goals, sensitive switch of the present invention possesses: dress switching mechanism in the framework, this framework; Plunger, this plunger can remain on the framework and to the switching mechanism transferring power movably; The rod unit of flat spring shape; The base end part of this rod unit is bearing on the framework and this rod unit can be that fulcrum rotates with its base end part; On the centre position of the length direction of rod unit; The one side of the rod unit on the rod unit rotation direction supplies the front end butt of plunger; And leading section at rod unit; The another side of the rod unit on the rod unit rotation direction can supply the detected material butt; With the part of the front end butt of the confession plunger of rod unit as the plunger abutting part and with the part of the confession detected material butt of rod unit during, on the another side of rod unit and the first enhancing portion that is avoiding being formed on the position of detected material abutting part strengthening the intensity of rod unit, and on the one side of rod unit and the second enhancing portion that is avoiding being formed on the position of plunger abutting part strengthening the intensity of rod unit as the detected material abutting part.
Plunger of the present invention is formed for strengthening the first enhancing portion and the second enhancing portion of rod unit intensity on rod unit.Therefore, the present invention can improve the rigidity of rod unit.
In addition, the present invention is a butt that makes the rod unit on the front end of plunger and the rod unit rotation direction, and can make the another side butt of the rod unit on detected material and the rod unit rotation direction.And, on the another side of rod unit and avoiding forming on the position of detected material abutting part the first enhancing portion, on the one side of rod unit and the second enhancing portion that is avoiding being formed on the position of plunger abutting part strengthening the intensity of rod unit.Therefore, can prevent contacting between the first enhancing portion and the second enhancing portion and plunger front end, and prevent contacting between the first enhancing portion and the second enhancing portion and detected material.Therefore, although on rod unit, formed the first enhancing portion and the second enhancing portion, when detecting detected material with sensitive switch, the relative distance between sensitive switch and the detected material is difficult for change.In addition; Owing on the one side of the rod unit of the front end butt that supplies plunger, form the second enhancing portion; And on the position of the detected material abutting part of avoiding the rod unit leading section, form the first enhancing portion; Although therefore on rod unit, formed the first enhancing portion and the second enhancing portion, the overall dimension of sensitive switch is difficult for change.Therefore, can make such as sensitive switch 101 in the past and sensitive switch of the present invention between have interchangeability.The result is that the present invention can prevent that the versatility of sensitive switch from reducing.
The present invention can be, the first enhancing portion forms towards the plunger abutting part from the base end part of rod unit, and the second enhancing portion then forms towards the plunger abutting part from the leading section of rod unit.In this occasion, the first enhancing portion and the second enhancing portion preferably form on the length direction of rod unit incessantly continuously.That is, the first enhancing portion and the second enhancing portion preferably form on the length direction of rod unit incessantly continuously.Adopt this structure, can further improve the rigidity of rod unit.
The present invention preferably; The first enhancing portion is being configured near an end of rod unit leading section on the rod unit length direction than plunger abutting part more on the position near the leading section of rod unit, and the second enhancing portion be configured in than plunger abutting part more on the position near the leading section of rod unit on the rod unit length direction near an end of the base end part of rod unit.Adopt this structure, can prevent contacting between the second enhancing portion and plunger front end reliably.
The present invention preferably, the first enhancing portion is being in roughly consistent location on the length direction of an end at rod unit near the rod unit base end part near the end of rod unit leading section and the second enhancing portion on the rod unit length direction on the rod unit length direction.In addition, the present invention preferably, the first enhancing portion in overlapped on the length direction of end near the rod unit base end part on the rod unit length direction near the end of rod unit leading section and the second enhancing portion on the rod unit length direction at rod unit.Adopt this structure, can further improve the rigidity of rod unit.
In the present invention, the first enhancing portion and/or the second enhancing portion for example be with the direction of the length direction quadrature of rod unit on the enhancing flange that forms of the bending back, end of rod unit, or the enhancing rib that forms along the length direction of rod unit.
In the present invention, the most handy thermoplastic resin of framework forms.Adopt this structure, for example when sensitive switch is discarded, can the resin that constitute framework be utilized again.Therefore, can alleviate carrying capacity of environment.And in this occasion, the framework thermoplastic resin of handy liquid crystal liquid crystal property forms.Adopt this structure,, still can improve the thermal endurance of framework even framework forms with thermoplastic resin.
The invention effect
As stated, sensitive switch of the present invention can improve the rigidity of rod unit, can prevent that again versatility from reducing.
Description of drawings
Fig. 1 is the cutaway view of the sensitive switch of embodiment of the present invention, (A) state of expression sensitive switch disconnection, (B) state of expression sensitive switch connection.
Fig. 2 is the stereogram of rod unit shown in Figure 1.
Fig. 3 is the chart of the difference between the response error of sensitive switch of response error and prior art of sensitive switch of explanation embodiment of the present invention.
Fig. 4 is the stereogram of the rod unit of other execution mode of the present invention.
Fig. 5 is the cutaway view of the sensitive switch of prior art.
Fig. 6 is the stereogram of rod unit shown in Figure 5.
Embodiment
Following with reference to description of drawings execution mode of the present invention.
(structure of sensitive switch)
Fig. 1 is the cutaway view of the sensitive switch 1 of embodiment of the present invention, (A) state of expression sensitive switch 1 disconnection, (B) state of expression sensitive switch 1 connection.Fig. 2 is the stereogram of rod unit 5 shown in Figure 1.
The sensitive switch 1 of this execution mode is to be used for the checkout gear that the detected material (omitting diagram) to regulation detects.This sensitive switch 1 possesses: the framework 3 of switching mechanism 2, interior dress switching mechanism 2, remain on the framework 3 movably and be bearing in the rod unit 5 on the framework 3 to the plunger 4 and the base end part of switching mechanism 2 transferring power.In following explanation, 3 mutually orthogonal directions are respectively as directions X, Y direction and Z direction.And as " left and right directions ", the Y direction is as " fore-and-aft direction " with directions X, and the Z direction is as " above-below direction ".And with X1 direction one side as " right side " side, X2 direction one side is as " left side " side, Z1 direction one side as " on " side, Z2 direction one side is as the D score side.
Switching mechanism 2 is so-called quick-acting mechanisms; Possess the first terminal 7, second terminal 8 and the 3rd terminal 9 these 3 terminals, and be fixed on fixed contact 10 on second terminal 8, be fixed on fixed contact 11 on the 3rd terminal 9, travelling contact 12, the contact spring 13 that keeps travelling contact 12, the flexural spring 14 of docking point spring 13 application of forces.Contact spring 13 is metal flat springs with flexural spring 14.
The upper end of the first terminal 7, second terminal 8 and the 3rd terminal 9 is configured in the inside of framework 3, and the bottom of the first terminal 7, second terminal 8 and the 3rd terminal 9 is then outstanding to the outside of framework 3.The cardinal extremity of contact spring 13 (left end) remains in the upper end of the first terminal 7, and the front end of contact spring 13 (right-hand member) then keeps travelling contact 12.Fixed contact 10 disposes on above-below direction with fixed contact 11 in opposite directions, configuration travelling contact 12 between fixed contact 10 and fixed contact 11.
Framework 3 usefulness thermoplastic resins form.Specifically be that the thermoplastic resin of framework 3 usefulness liquid crystal polymers liquid crystal liquid crystal property such as (L CP) forms.Plunger 4 is remaining on the framework 3 in the mode that upper and lower moves up.Cardinal extremity of plunger 4 (lower end) and contact spring 13 butts.The front end of plunger 4 (upper end) then with rod unit 5 butts.In addition, as shown in Figure 1, the cardinal extremity of plunger 4 and front end when fore-and-aft direction is seen be shaped as roughly circular-arc.
As stated, the front end of plunger 4 and rod unit 5 butts.Specifically be, the front end of plunger 4 in the length direction centre position of long leg 5b (more specifically being) more near the position of short leg 5a than the length direction center of long leg 5b go up and the lower surface butt of long leg 5b.And in this execution mode, the leading section of long leg 5b (right part) can supply the detected material butt.Specifically be, detected material can with the upper surface 5d butt of the leading section of long leg 5b.In this execution mode, supply the part of the front end butt of plunger 4 to become plunger abutting part 16 on the rod unit 5, supply the part of detected material butt then to become detected material abutting part 17 on the rod unit 5.
But, as stated, the front end of plunger 4 being shaped as when fore-and-aft direction is seen is roughly circular-arc, and contacts as line with rod unit 5.And for example the above; Rod unit 5 can be that fulcrum rotates with the protuberance 5j of short leg 5a; In case and rod unit 5 is that fulcrum rotates with the protuberance 5j of short leg 5a, rod unit 5 just move as the part that line contacts to the length direction of long leg 5b with front end plunger 4.Therefore, in this execution mode, the zone that is surrounded by the double dot dash line of Fig. 2 becomes plunger abutting part 16.
As shown in Figure 2; On the lower surface 5c of long leg 5b; Be formed for strengthening the enhancing flange 5e of the intensity of long leg 5b highlightedly to downside (upside among Fig. 2); And on the upper surface 5d of long leg 5b, be formed for strengthening the enhancing flange 5f of the intensity of long leg 5b highlightedly to upside (downside among Fig. 2).
Specifically be, on the position of avoiding detected material abutting part 17, form and strengthen flange 5f, on the position of avoiding plunger abutting part 16, form and strengthen flange 5e.More specifically be; As shown in Figure 1, on the length direction of long leg 5b, from the cardinal extremity (left end) of long leg 5b to than plunger abutting part 16 position slightly on the right side; Length direction along long leg 5b forms enhancing flange 5f incessantly continuously; And on the length direction of long leg 5b, from than plunger abutting part 16 position slightly on the right side to the front end of long leg 5b, form continuously incessantly along the length direction of long leg 5b and to strengthen flange 5e.That is, enhancing flange 5f forms towards plunger abutting part 16 from the base end part of rod unit 5, and the flange 5e of enhancing portion then forms towards plunger abutting part 16 from the leading section of rod unit 5.And the right-hand member that strengthens flange 5f is configured in the right side of plunger abutting part 16, and the left end that strengthens flange 5e is configured in the right side of plunger abutting part 16.
In this execution mode, enhancing flange 5e, 5f form as follows: on the length direction of long leg 5b, the right-hand member that strengthens flange 5f is in roughly consistent location with the left end that strengthens flange 5e.In addition, enhancing flange 5e, 5f are bent into approximate right angle with the both ends of long leg 5b on fore-and-aft direction and form.Enhancing flange 5f in this execution mode is the first enhancing portion that is used to strengthen the intensity of rod unit 5, strengthens flange 5e and then be the second enhancing portion of the intensity that is used to strengthen rod unit 5.
Adopt the sensitive switch 1 of said structure, when the leading section of rod unit 5 does not have detected material with it during butt, shown in Fig. 1 (A), fixed contact 11 contacts with travelling contact 12.This state is exactly the off-state of sensitive switch 1.And detected material is arranged with it during butt when the leading section of rod unit 5, shown in Fig. 1 (B), rod unit 5 is that fulcrum rotates and plunger 4 is pushed downwards with its base end part.In case plunger 4 is urged downwardly, contact spring 13 and flexural spring 14 will be out of shape, thereby make travelling contact 12 break away from fixed contacts 11 and contact with fixed contact 10.In case fixed contact 10 contacts with travelling contact 12, sensitive switch 1 just becomes on-state.
(the main effect of this execution mode)
As stated, this execution mode is on rod unit 5, to have formed enhancing flange 5e, 5f.Therefore can improve the rigidity of rod unit 5.Especially; The enhancing flange 5e of this execution mode, 5f form as follows: the right-hand member that strengthens flange 5f is in roughly consistent location with the left end that strengthens flange 5e on the length direction of long leg 5b; Therefore; Compare with the occasion that between the left end of right-hand member that is strengthening flange 5f on the length direction of long leg 5b and enhancing flange 5e, forms the gap, can improve the rigidity of rod unit 5 effectively.In addition; The enhancing flange 5e of this execution mode, 5f form on the length direction of long leg 5b incessantly continuously; Therefore, compare, can improve the rigidity of rod unit 5 effectively with strengthening flange 5e, the 5f interrupted occasion that forms on the length direction of long leg 5b.
Thereby this execution mode is compared with the sensitive switch 101 of for example passing by, and can reduce the response error (hysteresis) of sensitive switch 1.That is, as shown in Figure 3, can make the response error MD2 of sensitive switch 1 littler than the response error MD1 of sensitive switch 101 in the past.Therefore, this execution mode is compared with the sensitive switch 101 in past, can improve the accuracy of detection of sensitive switch 1.
In Fig. 3, the position of plunger 4,108 when not having the detected material butt on " FP " indication rod parts 5,109.In addition; The external force that " OP1 " expression acts on rod unit 109 increases and sensitive switch 101 switches to the position of the plunger 108 when connecting from disconnection, and the external force that " RP1 " then represent to act on rod unit 109 reduces and the position of the plunger 108 of sensitive switch 101 when connection switches to disconnection.In addition; The external force that " OP2 " expression acts on rod unit 5 increases and sensitive switch 1 switches to the position of the plunger 4 when connecting from disconnection, and the external force that " RP2 " then represent to act on rod unit 5 reduces and the position of the plunger 4 of sensitive switch 1 when connection switches to disconnection." OF " then representes to reach the power that acts on plunger 4,108 behind OP1, the OP2, and " RF " then representes to reach the power that acts on plunger 4,108 behind RP1, the RP2.
In this execution mode; On the length direction of long leg 5b; Cardinal extremity from long leg 5b has formed enhancing flange 5f to than plunger abutting part 16 position slightly on the right side; And on the length direction of long leg 5b, from than plunger abutting part 16 position slightly on the right side to having formed enhancing flange 5e the front end of long leg 5b.And strengthening flange 5f is on the upper surface 5d of the long leg 5b that supplies the detected material butt, to form, and enhancing flange 5e forms on the lower surface 5c of the long leg 5b of the front end butt that supplies plunger 4.Therefore, strengthen between the front end of flange 5e, 5f and plunger 4 not butt, and butt not between enhancing flange 5e, 5f and the detected material.Therefore, although on rod unit 5, formed enhancing flange 5e, 5f, when detecting detected material with sensitive switch 1, the relative distance between sensitive switch 1 and the detected material is difficult for change.In addition, owing to the leading section at rod unit 5 is to form on the lower surface 5c at rod unit 5 to strengthen flange 5e, although therefore on rod unit 5, formed enhancing flange 5e, the overall dimension of sensitive switch 1 also is difficult for variation.Therefore, can make such as the sensitive switch 1 of sensitive switch 101 in the past and this execution mode between have interchangeability.The result is that this execution mode can prevent that the versatility of sensitive switch 1 from descending.
In this execution mode, framework 3 usefulness thermoplastic resins form.Therefore, for example when sensitive switch 1 is discarded, can the resin that constitute framework 3 be utilized again.Therefore, this execution mode can alleviate carrying capacity of environment.In addition, in this execution mode, framework 3 is to form with the thermoplastic resin of liquid crystal liquid crystal property, therefore, although framework 3 usefulness thermoplastic resins form, still can improve the thermal endurance of framework 3.
(other example)
Above-mentioned execution mode is a preferred embodiments of the present invention, but the present invention is not limited by this execution mode, also can in the scope that does not change main points of the present invention, do various distortion.
In the above-described embodiment, be to form enhancing flange 5f to be used as the first enhancing portion on rod unit 5, and formation enhancing flange 5e is used as the second enhancing portion.In addition also can be as Fig. 4 (A), the length direction formation enhancing rib 5g along rod unit 5 on rod unit 5 is used as the first enhancing portion, and is used as the second enhancing portion along the length direction formation enhancing rib 5h of rod unit 5.Promptly; Also can be on the length direction of long leg 5b; From the cardinal extremity of long leg 5b to than plunger abutting part 16 position slightly on the right side; Forming enhancing rib 5f highlightedly continuously to upside (downside among Fig. 4 (A)) on the upper surface 5d of long leg 5b; And on the length direction of long leg 5b, from than plunger abutting part 16 position slightly on the right side to the front end of long leg 5b, strengthen rib 5h forming continuously highlightedly to downside (upside among Fig. 4 (A)) on the lower surface 5c of long leg 5b.
In addition, in the example shown in Fig. 4 (A), strengthen rib 5g, 5h forms as follows: the right-hand member that strengthens rib 5g and the left end that strengthens rib 5h are being on the length direction of long leg 5b roughly on the consistent location.And in the example shown in Fig. 4 (A), enhancing rib 5g, 5h form as follows: the approximate centre of long leg 5b on fore-and-aft direction partly is bent to roughly circular-arc.But, strengthen rib 5g, 5h also can form as follows: the established part of long leg 5b on fore-and-aft direction is bent to general triangular or roughly quadrangle etc. is roughly polygon-shaped.In addition, also can with columned beam roughly or roughly the beam of polygon column be fixed on the lower surface 5c or upper surface 5d of long leg 5b, form thus and strengthen rib 5g, 5h.
Can also as Fig. 4 (B), on rod unit 5, form enhancing rib 5g and be used as the first enhancing portion, and formation enhancing flange 5e is used as the second enhancing portion.Promptly; Also can be on the length direction of long leg 5b; From the cardinal extremity of long leg 5b to than plunger abutting part 16 position slightly on the right side, on the upper surface 5d of long leg 5b, form and strengthen rib 5g, and on the length direction of long leg 5b; From than plunger abutting part 16 position slightly on the right side to the front end of long leg 5b, on the lower surface 5c of long leg 5b, form to strengthen flange 5e.
In this occasion, preferably as Fig. 4 (B), strengthen rib 5g and strengthen flange 5e forming as follows: the right end portion that strengthens rib 5g is overlapped on the length direction of long leg 5b with the left end portion that strengthens flange 5e.So, can more effectively improve the rigidity of rod unit 5.But, also can on rod unit 5, form enhancing flange 5f and be used as the first enhancing portion, and formation enhancing rib 5h is used as the second enhancing portion.
In the above-described embodiment, enhancing flange 5e, 5f form as follows: on the length direction of long leg 5b, the right-hand member that strengthens flange 5f is in roughly consistent location with the left end that strengthens flange 5e.Can form as follows in addition and strengthen flange 5e, 5f: on the length direction of long leg 5b, between the left end of right-hand member that strengthens flange 5f and enhancing flange 5e, form the gap.In addition, in the above-described embodiment, strengthening flange 5e, 5f and be along the length direction of long leg 5b forming continuously incessantly, also can be that length direction along long leg 5b forms intermittently but strengthen flange 5e and/or strengthen flange 5f.And, be length direction along long leg 5b when intermittently forming when strengthening flange 5e and/or strengthening flange 5f, also can at the interrupted enhancing flange 5e that forms and/or strengthen to form in the gap of flange 5f and strengthen rib 5g, 5h.
In the above-described embodiment; On the length direction of long leg 5b; Cardinal extremity from long leg 5b has formed enhancing flange 5f to than plunger abutting part 16 position slightly on the right side; And on the length direction of long leg 5b, from than plunger abutting part 16 position slightly on the right side to having formed enhancing flange 5e the front end of long leg 5b.In addition; Also can be on the length direction of long leg 5b; Cardinal extremity from long leg 5b strengthens flange 5f to forming the plunger abutting part 16, and on the length direction of long leg 5b, the front end from plunger abutting part 16 to long leg 5b, forms and strengthen flange 5e.In addition; Also can be on the length direction of long leg 5b; Cardinal extremity from long leg 5b strengthens flange 5f to forming the position of the side that keeps left slightly than plunger abutting part 16; And on the length direction of long leg 5b, from than plunger abutting part 16 position slightly on the right side to form strengthening flange 5e the front end of long leg 5b.
In the above-described embodiment, strengthen flange 5f and be from the base end part of rod unit 5 forming towards plunger abutting part 16, the flange 5e of enhancing portion then is that the leading section from rod unit 5 forms towards plunger abutting part 16.In addition; Strengthen flange 5f so long as on the position of avoiding detected material abutting part 17, form; And on the position of avoiding plunger abutting part 16, form and strengthen flange 5e; Strengthen flange 5f and also can not be from the base end part of rod unit 5 forming towards plunger abutting part 16, the flange 5e of enhancing portion also can not be that the leading section from rod unit 5 forms towards plunger abutting part 16.
In the above-described embodiment, framework 3 is to form with the thermoplastic resin of liquid crystal liquid crystal property such as liquid crystal polymer.In addition, framework 3 also can use crystalline thermoplastic resin to form.In this occasion,, preferably framework 3 is carried out annealing in process in order to improve the thermal endurance of framework 3.In addition, framework 3 also can form with thermosetting resins such as phenolic resins.
(symbol description)
1 sensitive switch
2 switching mechanisms
3 frameworks
4 plungers
5 rod units
5c lower surface (one side of rod unit)
5d upper surface (another side of rod unit)
5e strengthens flange (the second enhancing portion)
5f strengthens flange (the first enhancing portion)
5g strengthens rib (the first enhancing portion)
5h strengthens rib (the second enhancing portion)
16 plunger abutting parts
17 detected material abutting parts
Claims (9)
1. a sensitive switch possesses: dress switching mechanism in the framework, this framework; Plunger, this plunger can remain on the said framework and to said switching mechanism transferring power movably; The rod unit of flat spring shape, the base end part of this rod unit are bearing on the said framework and this rod unit can be that fulcrum rotates with its base end part,
On the centre position of the length direction of said rod unit; The one side of the said rod unit on the rotation direction of said rod unit supplies the front end butt of said plunger; And leading section at said rod unit; The another side of the said rod unit on the rotation direction of said rod unit can supply the detected material butt
With the part of the front end butt of the said plunger of confession of said rod unit as the plunger abutting part and with the part of the said detected material butt of the confession of said rod unit during as the detected material abutting part,
On the said another side of said rod unit and the first enhancing portion that is avoiding being formed on the position of said detected material abutting part strengthening the intensity of said rod unit,
And on the said one side of said rod unit and the second enhancing portion that is avoiding being formed on the position of said plunger abutting part strengthening the intensity of said rod unit.
2. sensitive switch as claimed in claim 1 is characterized in that, the said first enhancing portion forms towards said plunger abutting part from the base end part of said rod unit, and the said second enhancing portion forms towards said plunger abutting part from the leading section of said rod unit.
3. sensitive switch as claimed in claim 2 is characterized in that, said first enhancing portion and the said second enhancing portion form on the length direction of said rod unit incessantly continuously.
4. sensitive switch as claimed in claim 3; It is characterized in that; The said first enhancing portion is being configured near an end of the leading section of said rod unit on the length direction of said rod unit than said plunger abutting part more on the position near the leading section of said rod unit, and the said second enhancing portion be configured in than said plunger abutting part more on the position near the leading section of said rod unit on the length direction of said rod unit near an end of the base end part of said rod unit.
5. like claim 3 or 4 described sensitive switches; It is characterized in that the said first enhancing portion is being in roughly consistent location on the length direction of an end at said rod unit near the base end part of said rod unit near the length direction at said rod unit of end of the leading section of said rod unit and the said second enhancing portion on the length direction of said rod unit.
6. like claim 3 or 4 described sensitive switches; It is characterized in that, the said first enhancing portion overlapped on the length direction of an end near the base end part of said rod unit near the length direction at said rod unit of end of the leading section of said rod unit and the said second enhancing portion on the length direction of said rod unit at said rod unit.
7. like each described sensitive switch in the claim 1 to 6; It is characterized in that; Said first enhancing portion and/or the said second enhancing portion be with the direction of the length direction quadrature of said rod unit on the enhancing flange that forms of the bending back, end of said rod unit, or the enhancing rib that forms along the length direction of said rod unit.
8. like each described sensitive switch in the claim 1 to 7, it is characterized in that said framework forms with thermoplastic resin.
9. sensitive switch as claimed in claim 8 is characterized in that, said framework forms with the thermoplastic resin of liquid crystal liquid crystal property.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009221094A JP5394870B2 (en) | 2009-09-25 | 2009-09-25 | Microswitch |
| JP2009-221094 | 2009-09-25 | ||
| PCT/JP2010/065694 WO2011037029A1 (en) | 2009-09-25 | 2010-09-13 | Microswitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102576618A true CN102576618A (en) | 2012-07-11 |
| CN102576618B CN102576618B (en) | 2014-10-08 |
Family
ID=43795780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080043024.5A Expired - Fee Related CN102576618B (en) | 2009-09-25 | 2010-09-13 | Microswitch |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8766120B2 (en) |
| JP (1) | JP5394870B2 (en) |
| CN (1) | CN102576618B (en) |
| TW (1) | TWI488204B (en) |
| WO (1) | WO2011037029A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014069907A1 (en) * | 2012-11-05 | 2014-05-08 | 주식회사 대동 | High load switch for vehicle |
| FI126367B (en) | 2013-10-17 | 2016-10-31 | Abb Oy | A method and system for detecting a circuit board to be installed on a device |
| CN105206470A (en) * | 2015-10-27 | 2015-12-30 | 上海乐研电气科技有限公司 | Sulfur hexafluoride gas density relay |
| JP7077876B2 (en) * | 2018-08-30 | 2022-05-31 | オムロン株式会社 | Switch and operating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2898428A (en) * | 1957-12-30 | 1959-08-04 | Burgess Products Co Ltd | Actuators for electrical switches |
| US3774000A (en) * | 1971-09-09 | 1973-11-20 | Otehall Ltd | Lever operated electrical switches |
| US4874912A (en) * | 1987-07-28 | 1989-10-17 | Hosiden Electronics Co., Ltd. | Hook switch |
| US5565666A (en) * | 1995-03-31 | 1996-10-15 | Johnson Service Company | Trip free manual reset switch using an m-blade |
| JPH09161609A (en) * | 1995-12-12 | 1997-06-20 | Sony Corp | Microswitch |
| US5663540A (en) * | 1995-10-06 | 1997-09-02 | Control Products, Inc. | Double pivot point overtravel switch actuator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54166590U (en) * | 1978-05-16 | 1979-11-22 | ||
| JPS56100833U (en) * | 1979-12-29 | 1981-08-08 | ||
| JPS6222029Y2 (en) * | 1980-01-22 | 1987-06-04 | ||
| EP0260659A3 (en) * | 1986-09-16 | 1988-07-20 | OMRON Corporation | Micro switch |
| JP2003086401A (en) * | 2001-06-25 | 2003-03-20 | Hokuriku Electric Ind Co Ltd | Surface-mounted electrical component and manufacturing method therefor |
| TWM350087U (en) * | 2008-08-22 | 2009-02-01 | jing-hao Zhang | Micro-switch |
-
2009
- 2009-09-25 JP JP2009221094A patent/JP5394870B2/en not_active Expired - Fee Related
-
2010
- 2010-09-13 CN CN201080043024.5A patent/CN102576618B/en not_active Expired - Fee Related
- 2010-09-13 US US13/497,931 patent/US8766120B2/en not_active Expired - Fee Related
- 2010-09-13 WO PCT/JP2010/065694 patent/WO2011037029A1/en active Application Filing
- 2010-09-24 TW TW099132494A patent/TWI488204B/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2898428A (en) * | 1957-12-30 | 1959-08-04 | Burgess Products Co Ltd | Actuators for electrical switches |
| US3774000A (en) * | 1971-09-09 | 1973-11-20 | Otehall Ltd | Lever operated electrical switches |
| US4874912A (en) * | 1987-07-28 | 1989-10-17 | Hosiden Electronics Co., Ltd. | Hook switch |
| US5565666A (en) * | 1995-03-31 | 1996-10-15 | Johnson Service Company | Trip free manual reset switch using an m-blade |
| US5663540A (en) * | 1995-10-06 | 1997-09-02 | Control Products, Inc. | Double pivot point overtravel switch actuator |
| JPH09161609A (en) * | 1995-12-12 | 1997-06-20 | Sony Corp | Microswitch |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011037029A1 (en) | 2011-03-31 |
| JP5394870B2 (en) | 2014-01-22 |
| JP2011070933A (en) | 2011-04-07 |
| TW201131603A (en) | 2011-09-16 |
| CN102576618B (en) | 2014-10-08 |
| US20130126321A1 (en) | 2013-05-23 |
| US8766120B2 (en) | 2014-07-01 |
| TWI488204B (en) | 2015-06-11 |
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